Fort Worth daily gazette. (Fort Worth, Tex.) 1882-1891, 1887-11-18
POPULAR SCIENCE.
Notes of Invention and Discovery from the |
World Over.


new disinfectan7 is called creoline.
1t is said to be superior, to carbolic acid.
The SENS and sste of tobacco are
said to be as good as linen rags in the
manufacture of paper.
In Europe thrifty trees and good crops
OF peaches have been secure from gratis
on the hawthorn.
Highly polished brass may be kept ab-
solutey bright and FREE from ts!nish by
thinly coating the srtic es With vanish
Of bleached shelIac AMI alcohol.
A bit OF soft paper is rec cmmended by
an English doctor for dropping medi-
cinee into the eye as berg equally as
effective as brushes, glass choppers, etc,
snd far less lkeiY % introduce foreign
substances.
The beau itul eysmeled bricks fire.
Quently used for outside or interior deco
ration are made by applying to the sur
face colored fiuX, which during the
burning causes the slick to malt and form
av treous covering. Very pretty effects
may De produced by the use of these
bricks.
In en- exhaustive paper upon methods
OF N; assuring thin films Otto Wiener
makes certain measures of the thickness
OF film of silver which can just be per
Ceived by the eye, and arrives at the
conclusion that o. millionths of MILL
meter is an upper limit of the diameter
OF silver mOlecule.
A Pittsburg paper describes a new tele-
phone on exhibition in that city that does
away with the necessity Of speaking. 4
sensitive plate "presses against the lar
ynx and glands Of the neck, and as
~ =,
motion sends the words along the wire as
distinctly as the telephone now in USE"
Oae Of the cheapest snd best modes of
destroying insects in rot plants is to III
vert the pot and dip the plants for few
seconds III water warmed to 1867. A
German paper, referring TO this plan.
says that the ez2lea Will stSnd 1902 with
out injury. Usually heat the water pretty
well, and pour in cool until 1902 is
reached.
The Locomotive recently published
cuts made from photographs Of sections
OF boilers which hsd been very badly cor
roded by water contaminated by sewage,
such as the leakage OF privy vaults, etc.
The C0Trosion is Of @ bad and dangerous
character, and shows that il is necessary
10 see that such impure water IS not ST.
lowed 70 enter boilers.
The new percil introduced by Faber tor
writing upon glass, porcelain and metais
in rec, white and blue, are made by melt
Ing together sp2rmac5ti, four parts; tai
low, three parts, and wax, two parts, and
C0iOriDg the mixture with white lead, red
leSd or Pcussian blue, as desired. These
pencils are convenient in the laboratory.
and save the trouble OF labelling.
Oae of the latest attempts TO harness
the forces of nsture for the service Of man
is the adaptation Of windmill for the
turning Of dynamo, the electricity thus
obtained being stored il suitable bat
teTies, and afterward used in lighting
beacoEs for the bentfiG OF the martins
interests. There is a station Of this kind
near the mouth O. the Seine, and con-
siderable success hss been obtained.
A new method OF extracting sugar from
molasses hiss recently been proposed by
using wood spirits or methylic alcohol,
Which has the property OF completely dis,
solving molasses or syrup. Sugar and
salts may be separated as oxslates, while
the organic aCids and nitric substances
remain in the solution. There is much
additional fire risk in this process, as
meihyiic alcohol is very irt2mmsble.
A good shellsc c,n be made by taking
TWO Csus of the same height, but with
one half inch larger in diameter thar
the other. Have the smaller can sor
Gered fast in the center of the larger can,
leaving quarter OF an inch space all
around. The cover should project down
into this space about two inches. II this
nnnular guarter-inch space be filled with
water it will prevent absolutely any evap-
Grafton from the shellac when the can is
closed L Wood and Iron.
The American Machinist gives the fol-
lowing as cure for chapped hands:
"Wash the hands with fine soap, and be-
fore removing the soap scrub the hands
with g tablespoonful of Indian meal,
Tinsing thoroughly with soft tepid water,
UsIpg little meal each time except the
last; wipe the hands perfectly. dry, then
rinse them in very little water contain
ing teespoonful OF glycerine, rubbing
the hands together until the water has
ev8porated. The glycerine must be pure
o. it viii irritste instead OF healing"
According to DIR. Hunt, secretary of the
New Jersey state board of health, diph-
tneria is largely due to damp cellars which
sre suddenly heated in the fall, and this
theory is verified by various reports where
the disease has ragged. 1t is clsImed that
during the summer in many cellars good
deal Of vegetable matter is allowed to de-
cay, and when the fires are started in the
f2ll this decsyed matter ia stirred up snd
mingled with peculiar dampness, which
must be 10 the cellar, and 1t pervades the
entire house.
A. Pringle claims TO have discovered
six new substances insome lower silurian
rocks in SeIkirk. Five are said to be
metals, and the other is a substance re-
semoling selenium, and which he calls
hesperisium. One metal is like iron, bat
does rot give the rhodauate reaction, nor
that with tannin; another resembles lead
is quite fusible and volatile, and forms
yellow and green Salts; another is black,
and he names it crebodium; the fourth is
q light-gTay powder; aud the last is dark
IN color. For three Of these elements
the author assigns the equivalents 95 4,
40 and "A.
Aluminium united with brass improves
it OF giving to it greater strength,
du,tility and resistance TO corrosive
action. Castings made from it are
sharper. Aluminium united with copper